Heater



Cross reference is made to copending U.S. design patent application Ser. No. 29/592,757 entitled “Heater” by Fritz et al. filed on Feb. 2, 2017.

FIG. 1 is a perspective view of a heater showing our new design;

FIG. 2 is a front elevational view of the heater of FIG. 1;

FIG. 3 is a rear elevational view of the heater of FIG. 1;

FIG. 4 is a left side elevational view of the heater of FIG. 1;

FIG. 5 is a right side elevational view of the heater of FIG. 1;

FIG. 6 is a top plan view of the heater of FIG. 1; and,

FIG. 7 is a bottom plan view of the heater of FIG. 1.

The broken lines shown in the drawings illustrate portions of the heater that form no part of the claimed design. 

CLAIM The ornamental design for a heater, as shown and described. 